Three dimensional chess board



FIG. 1 is a perspective view of a three dimensional chess board showingmy design;

FIG. 2 is a side elevational view thereof, the other sides beingidentical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The ornamental design for a three diemnsional chess board, as shown anddescribed.